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9992412 = 2232277567
BaseRepresentation
bin100110000111…
…100011011100
3200210200000100
4212013203130
510024224122
6554101100
7150635253
oct46074334
920720010
109992412
1157054a1
12341a790
1320bb291
14148179a
15d25aac
hex9878dc

9992412 has 18 divisors (see below), whose sum is σ = 25258688. Its totient is φ = 3330792.

The previous prime is 9992401. The next prime is 9992449. The reversal of 9992412 is 2142999.

9992412 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 277567 = 9992412 / (9 + 9 + 9 + 2 + 4 + 1 + 2).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138748 + ... + 138819.

Almost surely, 29992412 is an apocalyptic number.

It is an amenable number.

9992412 is an abundant number, since it is smaller than the sum of its proper divisors (15266276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9992412 is a wasteful number, since it uses less digits than its factorization.

9992412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277577 (or 277572 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 9992412 is about 3161.0776643417. The cubic root of 9992412 is about 215.3889623796.

It can be divided in two parts, 9992 and 412, that added together give a square (10404 = 1022).

The spelling of 9992412 in words is "nine million, nine hundred ninety-two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 277567 555134 832701 1110268 1665402 2498103 3330804 4996206 9992412